Articles: Aerospace
The Future of Space Propulsion
Significant challenges and advances in space propulsion have occurred over the past ten years. The end of the Cold War had significant impacts, both positive and negative. Operational systems now have to operate...

Current threats on our military forces have created a tremendous requirement for mobility as it relates to mission specifications. The objectives of onboard vehicle power (OBVP) are to develop,...

A method for providing a time code for multiple streams of simultaneously received data has been developed in order to allow reconstruction of the data after asynchronous transfer. It is often...

The Flowslide, developed by Royal Boon Edam Group Holding BV, is a combination of a revolving door and curved sliding panels, installed at Charles de Gaulle Airport, Paris. The...

Briefs: Physical Sciences
Digital-Image Data Acquisition System for Turbulent Mixing and Combustion

An equipment and instrumentation system for high-speed digital image data acquisition and processing includes components for Planar Laser Induced Fluorescence (PLIF), flame-speed, and ignition and extinction measurements of laminar flames at variable pressure; tracking...

Briefs: Software
Tool for Processing and Displaying Genomics Data in Spreadsheets

ChromaBlast is a computer program that facilitates and accelerates processing and display of data by use of Microsoft Excel or other spreadsheet software that affords similar capabilities. The development of ChromaBlast was prompted by a need for improved means of analyzing and...

Briefs: Electronics & Computers
Magnetic Memory Devices for Embedded Computing

A program of research has been dedicated to the development of magnetic memory devices than can be incorporated into complementary metal oxide/semiconductor (CMOS) integrated circuits, wherein...

A prototype hybrid micro-electro- mechanically tunable optical filter (MEM-TF) based partly on an electrostatic-actuation principle has been built and tested as an essential component...

Silicon nanowires have been investigated as alternatives to the graphite heretofore widely used as an anode material in rechargeable lithium-ion power cells. The theoretical...

Briefs: Materials
Composites Containing Nanostructured Shape-Memory Alloys

A continuing program of research is devoted to understanding composite materials that include nanostructured shape-memory alloy (SMA) constituents and to developing methods of fabricating components from such materials. This research is intended to improve the utilization of SMAs in...

Several advances have been made in research in the art of tailoring polymeric films to be, variously, (1) much more effective as barriers to diffusion of liquids and gases than they...

Briefs: Physical Sciences
Perspective on Research in Laser Propulsion

A document summarizes the history of research on laser propulsion, starting with the first publication of the laser-propulsion concept in the year 1969, proceeding through studies of laser propulsion within the broader context of advanced propulsion systems in general, and culminating in...

Briefs: Physical Sciences
Some Advances in Understanding of Environmental Fatigue

A research program has yielded advances in understanding of numerous aspects of environmental crack propagation in aerospace aluminum alloys. From one perspective, the objective of this program was to quantitatively establish governing crack-tip-mechanics conditions and damage mechanisms...

An experimental study of the mechanical behavior of cracked aluminum specimens repaired with composite-material patches has yielded findings that may eventually contribute to the...

Military planners are aggressively developing network-centric warfare platforms that use wireless communications as a force multiplier. The...

Products
Card Enclosures

Carlo Gavazzi Computing Solutions (Brockton, MA) has introduced the 700 Series Air Transport Rack (ATR) rugged enclosures for cooling in a range of harsh environment applications. The enclosures protect air-cooled cards,...

Glacier Computer (New Milford, CT) offers a heated touchscreen for its Everest line of computers. The heated touchscreen enables the computer to be used in harsh environments in which the computer goes...

The Multi-Platform Enclosure (MPE) from SprayCool (Liberty Lake, WA) uses a two-phase cooling technology for use in mission-critical military applications. The technology uses a fine mist of non-corrosive,...

The MFP-1200 military-grade 28 Vdc power supply from Amrel/American Reliance (El Monte, CA) powers DC devices in harsh outdoor environments. The 1.2-kW system is housed in a 16 × 7.5 × 3.5" package....

The 303-Relay Test System from SemiTek International (Richardson, TX) is a parametric relay test system that features user-friendly operating software and a modular design for inspection applications. It features...

Scalable Network Technologies (Los Angeles, CA) has released QualNet 4.5 modeling and simulation software for predicting wireless, wired, and mixed-platform network and networking device performance in...

Numerical Algorithms Group (Lisle, IL) has introduced the NAG Toolbox for MATLAB ®, which gives users access to more than 1,300 additional math and statistical algorithms within the MATLAB environment through the...

IDS Microchip AG (Wollerau SZ, Switzerland) has introduced the IDS-SL 13A smart active label chip that automatically tracks, monitors, time-stamps, and records information about any product in a supply chain on land, on the...

Saelig (Pittsford, NY) has released the UPSICAP™ line of passive and active sensors that measure ambient temperature and relative humidity. The 9 × 8-mm passive elements vary capacitance with humidity...

Video plays a crucial role in defense and security, and video streams are now used in armored vehicles for target acquisition, Local Situation Awareness, and other military...

The U.S. military has incorporated many robotic systems into battlefield scenarios over the past several years, ranging from a single vehicle or unattended sensor to multiple vehicles...

A system for noncontact measurement and analysis of vibrations of an electronic circuit board or a similar lightweight, nominally flat, rectangular object has been developed. This...

Tests have been performed in an effort to gain understanding of electrical and mechanical properties of silver-coated nylon fibers subjected to stresses and strains and exposed to...

The two-transmission method is an improved method of determining, from microwave measurements, the complex permeability and complex permittivity of a sample of a material typified...

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